i18n(ja): fix 国立データベース監査ログ → データベース監査ログ

[yahonda]

What is changed, added or deleted?

Fix erroneous "国立データベース監査ログ" to "データベース監査ログ" in 3 files:

• tidb-cloud/features.md
• tidb-cloud/security-concepts.md
• tidb-cloud/tidb-cloud-roadmap.md

The "国立" prefix is a mistranslation. The English source is simply "Database audit logging" without any "national" or "native" qualifier.

Which TiDB version(s) do your changes apply to?

• master (the latest development version)
• v8.5 (TiDB 8.5 versions)
• v8.4 (TiDB 8.4 versions)
• v8.3 (TiDB 8.3 versions)
• v8.2 (TiDB 8.2 versions)
• v8.1 (TiDB 8.1 versions)
• v7.5 (TiDB 7.5 versions)
• v7.1 (TiDB 7.1 versions)
• v6.5 (TiDB 6.5 versions)
• v6.1 (TiDB 6.1 versions)
• v5.4 (TiDB 5.4 versions)
• v5.3 (TiDB 5.3 versions)

What is the related PR or file link(s)?

• This PR is translated from: N/A (Japanese translation fix)
• Other reference link(s): N/A

Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
• Might cause conflicts after applied to another branch

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[gemini-code-assist]

Code Review

This pull request corrects the Japanese translation of "Database Audit Log" from "国立データベース監査ログ" to "データベース監査ログ" across several TiDB Cloud documentation files. The reviewer recommended further improvements to the features table in tidb-cloud/features.md to resolve translation inconsistencies (such as mixing "storage" and "ストレージ") and to correct awkward phrasing regarding change feeds.

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2026-06-16 03:14:46.455609955 +0000 UTC m=+1448187.525927335: ☑️ agreed by qiancai.

[qiancai]

hi @yahonda, would you please resolve the conflicts of this PR? Thanks.

[yahonda]

The conflict has been addressed and rebased.